ocrea definition

  • noun:
    • A sheath formed within node of a stem by the fusion of two stipules, as with the rhubarb plant.
    • A sheath around a plant stem developing from the stipule of a leaf and extending above the point of insertion for the leaf.
    • See ochrea.
    • In botany, a sheathing stipule, or a pair of stipules united into a sheath all over stem, like a legging or even the leg of a boot; also occasionally, in mosses, the slim sheath around the seta, terminating the vaginula.
    • In zoology, a sheath; an investing part like or likened to an ocrea of a plant. In addition, erroneously, ochrea.

Related Sources

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